OT-2026-000003505
Publication integrity record
Bellows cup vacuum gripper with a timed blow-off pulse for release
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003505) never changes.
Identity and time
| Publication number | OT-2026-000003505 · never reused |
|---|---|
| Internal UUID | 01a0a906-dc46-7339-83ca-c7fa21093086 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:14.248907Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003505 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3e73c6f36f63217dd8911d802093c5c4744c2f8fd01495d960bbb5bad24c580 |
|---|---|
| Markdown | a6cccb1c1f099a0cd36b02c157d1d45e0ae1ef6990e41042b736a576412125c8 |
| Publication page | 72870dc270daebf9895116c527659054d350b8511f95abbb6baf3ef301966b2f |
| Manifest | 5fcfcb759952f273ac8dc03bd1e8f51bda03e3618240a68f5cc996d261fabd9e |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | yoTeXRMVO/aCdDfjGCbbJOmqbJStfjUpBy+rI/KGC86AgLceMMHPaGQEVsmhpV1M9bvu5z3Tk8cZxMRLHQmHAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:34.401111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003505observed 72870dc270daebf9895116c527659054...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:34.387262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003505/manifest.jsonobserved 5fcfcb759952f273ac8dc03bd1e8f51b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.245607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003505/publication.mdobserved a6cccb1c1f099a0cd36b02c157d1d45e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.230362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003505/publication.txtobserved f3e73c6f36f63217dd8911d802093c5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|